Hello. This is your emperor. I'm sick of critical hits being based on luck, which is why I came with with the. Concept of crit-zones.

Crit-zones are areas of a Pokémon where the attack lands will be a critical hit and do more damage.

The inverse is called superficial zones. Where all attacks that land there will be superficial and do less damage.

Take torterra for example. It's superficial zone is its back, and critical zone will be its head